Erfana Beevee Binte Hassan Shariff's answer to Eileen's Primary 4 Maths Singapore question.
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Hope this bar model helps :)
Date Posted:
8 months ago
Hi, may i check how come the second model got a '22'? Thank you
May gave 47 to Jane. So 25 comes from the extra she had and another 22 from the black bar model which is same length as Jane’s.
Thank you. She understands the second part already and now she do not know how come there '5' in part 3 model?
All 3 sets of models are replica of each other. Jane gives 17 to May. That extra part is 17 +5=22, cos of the extra 22 in the 2nd model.
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